Search results for: Gang Yu
European Journal of Operational Research > 2006 > 174 > 1 > 622-645
European Journal of Operational Research > 2006 > 173 > 2 > 648-668
European Journal of Operational Research > 2006 > 174 > 1 > 622-645
European Journal of Operational Research > 2006 > 173 > 2 > 648-668